Morris County, NJ

ZIP 07405

In ZIP 07405, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Riverdale Boro Water Dep meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 74× California’s Public Health Goal.
• Nearest Superfund site: Radiation Technology, Inc., 6.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Howmet Castings & Services-Casting Div (63%), mostly cobalt.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 21,359 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 07405

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA to B
• Drinking water qualityD to F
• Pesticide useC to D
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsC to D

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…